LS1 Edit for 2003 and 2004 Silverado, comes with Speartech bench top programing harness, NIB- $200
Click here for more information
LS1 Edit for 2003 and 2004 Silverado, comes with Speartech bench top programing harness, NIB- $200
Click here for more information
See my truck data in the "My Garage" section here... http://www.ls1truck.com/forums/my-ga...tml#post191709
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